采用数值模拟方法,对NASA Rotor37跨音速轴流压气机从阻塞到近喘振工况的内部流动特征进行了分析,并同实验结果进行了对比.针对近喘振工况压气机顶部流动的特性,对间隙涡和通道激波进行顶隙吹吸干涉,分析了顶隙吹吸对该压气机特性的影响.结果表明,通过顶隙吹吸方法,可以有效地延缓顶部间隙涡及低能流体造成的通道阻塞而引发的流动失速,并使压气机的工作流量范围扩大24%.
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